Lindsay reveals her secret sister!

Yes you got it right - Lindsay has a half-sibling. "My father just let my family and me know, amongst other things that he had another child after my little sister Aliana" Lindsay writes in a post titled "Random Thoughts" on her MySpace Celebrity Blog. She then continues: "Or maybe he had it before Aliana?? Either way, he cheated on my mother and that really sucks." In an e-mail to PEOPLE, Lindsay's father, Michael Lohan, strongly denies his daughter's claim, and sais in a separate conversation he reckons there is a "99 percent chance" Lohan's MySpace message was actually written by her girlfriend Samantha Ronson. We guess time will tell...

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